Design and Development of a Diagnostics Client for a Beam Loss ...
Design and Development of a Diagnostics Client for a Beam Loss ... Design and Development of a Diagnostics Client for a Beam Loss ...
CONTENTS INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1. BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.1 CERN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.2 The CERN Accelerator Complex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2. SCOPE OF THE ASSIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.1 Necessary requirements upon the software architecture . . . . . . . . . . . . . . . . 14 2.2 Technical Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3. HARDWARE IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.1 Description of the new BLM System . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.2 Acquisition Electronics of the BLM System . . . . . . . . . . . . . . . . . . . . . . . 17 3.2.1 Beam Loss Electronic Acquisition Crate (BLEAC) . . . . . . . . . . . . . . . . . . 17 3.2.2 Beam Loss Electronic Dual Polarity (BLEDP) . . . . . . . . . . . . . . . . . . . . 18 3.2.2.1 Acquisition methods of the BLEDP: FDFC and DADC . . . 19 4. CLIENT IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.1 Motivation for this Client Development . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.2 FPGA Firmware and Embedded Server . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.3 Client Server Architecture Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.3.1 Commands Sent by the Client . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.3.2 BLEDP Frames Encapsulation . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.3.3 Data Sent by the Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.3.3.1 BLEDP Acquisition Frame . . . . . . . . . . . . . . . . . . . 26 4.3.3.2 BLEDP Status Frame . . . . . . . . . . . . . . . . . . . . . 27 4.3.4 Development Phases of the Communication Protocol . . . . . . . . . . . . . . . . 29 4.4 Client Development and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.4.1 Initial Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.4.2 Online Acquisition Data Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.4.2.1 Design implementation of the online interface . . . . . . . . 34 4.4.3 Communication and data processing . . . . . . . . . . . . . . . . . . . . . . . . 35 4.4.4 Offline Acquisition Data Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.4.4.1 Design implementation of the offline interface . . . . . . . . 42
4.4.5 Status Data Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 4.4.5.1 Design implementation of the offline interface . . . . . . . . 44 4.4.6 Commands Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4.4.6.1 Design implementation of the commands interfaces . . . . 47 5. EVALUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 5.1 Deliverables and their validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 5.1.1 Reliability Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 5.1.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 6. CONCLUSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 TABLE OF TERMINOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 ABBREVIATIONS AND ACRONYMS . . . . . . . . . . . . . . . . . . . . . . . . . . 61 REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
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4.4.5 Status Data Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43<br />
4.4.5.1 <strong>Design</strong> implementation <strong>of</strong> the <strong>of</strong>fline interface . . . . . . . . 44<br />
4.4.6 Comm<strong>and</strong>s Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45<br />
4.4.6.1 <strong>Design</strong> implementation <strong>of</strong> the comm<strong>and</strong>s interfaces . . . . 47<br />
5. EVALUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48<br />
5.1 Deliverables <strong>and</strong> their validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48<br />
5.1.1 Reliability Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53<br />
5.1.2 Per<strong>for</strong>mance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54<br />
6. CONCLUSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59<br />
TABLE OF TERMINOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60<br />
ABBREVIATIONS AND ACRONYMS . . . . . . . . . . . . . . . . . . . . . . . . . . 61<br />
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
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